Nick Trethen is a world famous computational scientist and my good friend.... 더 읽어보기 >>

Pete Stewart is one of my closest colleagues.... 더 읽어보기 >>

The twenty-second Householder Symposium on Numerical Linear Algebra was held June 8 - June 13 at Cornell. The local organizers were Anil Damle, Alex Townsend and David Bindel. Anil served as host and cheerleader.... 더 읽어보기 >>

A look at the structure, and the eigenvalues and singular values of interesting test matrices.... 더 읽어보기 >>

MATLAB has two different ways to compute singular values. The easiest is to compute the singular values without the singular vectors. Use svd with one output argument, s1.... 더 읽어보기 >>

LUTool provides an interactive animation of Gaussian elimination, the most important algorithm in technical computing.... 더 읽어보기 >>

Recently, I have made a series of blog posts about Redheffer matrices and the Mertens conjecture. After each of the posts, readers and colleagues offered suggestions to speed up the calculations. Here is a summary of what I have learned.... 더 읽어보기 >>

The NA-Digest is an electronic newsletter for the numerical analysis and scientific software community. The NA-Digest is one of world's first examples of social networking. The Digest is one of the forces that makes our community a living, viable community.... 더 읽어보기 >>

A few days ago, a bug report from our office in Cambridge caught my attention. Computing the singular values and singular vectors of a particular matrix would sometimes cause MATLAB to crash.... 더 읽어보기 >>

Floating point arithmetic doesn't get the respect it deserves. Many people consider it mysterious, fuzzy, unpredictable. These misgivings often occur in discussion of vector sums. Our provocatively named SuperSum is intended to calm these fears.... 더 읽어보기 >>